<p>mychat works!</p>

  <input type="text"  [(ngModel)]="message">
  <button (click)="send()">发送</button>
  <h3>Output</h3>
  <!-- <textarea id="responseText" style="width: 500px; height: 300px;"></textarea> -->
  <section *ngFor="let msg of messageList">
    <section>{{msg}}</section>
  </section>

